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Prediction of multivessel disease after inferior myocardial infarction

B R Chaitman, D D Waters, F Corbara

    Circulation
    |June 1, 1978
    PubMed

    Insights

    Clinical factors like angina class, age, and resting ECG abnormalities can predict multivessel coronary artery disease in men after inferior myocardial infarction, aiding in risk stratification.

    Area of Science:

    • Cardiology
    • Clinical Medicine
    • Diagnostic Imaging

    Background:

    • Inferior myocardial infarction survivors often have associated coronary artery disease.
    • Accurate prediction of multivessel disease is crucial for guiding treatment strategies.

    Purpose of the Study:

    • To identify clinical parameters that predict multivessel coronary artery disease in men with prior isolated inferior myocardial infarction.

    Main Methods:

    • Correlation of clinical parameters (angina class, ECG findings, cardiomegaly) with angiographic findings.
    • Analysis of 108 male patients with previous inferior myocardial infarction.

    Main Results:

    • Angina class 2-3 (71 patients) showed a higher prevalence of three-vessel disease (42/71) compared to asymptomatic or class 1 (37 patients, 7/37).
    • Resting anterior ST-T abnormalities (36 patients) and cardiomegaly (17 patients) were strongly associated with multivessel disease (35/36 and 16/17, respectively).
    • Men aged 55 and older had a higher incidence of multivessel disease (94%) than younger men (70%).

    Conclusions:

    • Functional angina class, patient age, and resting anterior ST-T abnormalities are significant predictors of multivessel coronary artery disease.
    • These clinical parameters can aid in identifying patients at higher risk for extensive coronary artery disease after inferior myocardial infarction.

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